Fastening device



FIG. 1 is a front perspective view showing our new fastening devicedesign in the environment of use of the design.

FIG. 2 is a rear perspective view thereof in the environment of use ofthe design;

FIG. 3 is a front plan view thereof;

FIG. 4 is a rear plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Dashed or otherwise broken lines are used for illustrative purposes onlyto give environmental context to the claimed design and do not form anypart of the claimed design.

CLAIM We claim the ornamental design for a fastening device, as shownand described.